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Twin City Amateur Astronomers
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Calendar of Events

The Calendar of all scheduled club events is shown here. For additional detail about the event, follow the link in the Event column.
You can also download our Public Observing Session brochure.
EventDateDescriptionWhereStatus
Total Solar Eclipse Monday, August 21, 2017 11:51 AM The TCAA has no events planned for the eclipse day since members will be travelling to a location in the path of totality.

In Bloomington-Normal, 1st contact is at 11:51am. Maximum eclipse at 1:17pm. Last Contact 2:42pm.

Locally, we can expect a partial eclipse with a maximum 90% of the Sun obscured by the Moon, which will make it seem like twilight.

Be careful! At no time can we safely view a partial eclipse without protection. Be sure to use safe observing methods, such as projection, to observe the effect of the eclipse.


Across the US Inevitable
August Public Observing - Moon and Sun Saturday, August 26, 2017 8:00 PM Moon and Sun

Our moon, the brightest object in the sky after the Sun, is the sole natural satellite of the Earth. Learn about the moon's relationship to, and impact on, the Earth, including a review of the recent total solar eclipse. Some of the interesting features on our nearest celestial neighbor will be presented also.

In addition to our presentation, we will have a laser-guided sky tour and telescope observing.
SGNC Scheduled
The Stars are Out of this World! Saturday, September 23, 2017 11:00 AM The Stars are Out of this World!
Saturday, Sept. 23rd 11 am
Join Lee Green of the Twin City Amateur Astronomers as he explores the wonders of the stars in our universe. After the community room presentation, attendees will travel to the patio to view sunspots through a filtered telescope! Fun for ages 1-105.
B;oomington Public Library Scheduled
September Public Observing - Emission Nebulae Saturday, September 23, 2017 7:30 PM Emission Nebulae of the Milky Way

An emission nebula is a nebula formed of ionized gases that emit light of various colors. The most common source of this ionization is high-energy photons emitted from a nearby hot star.

In addition to our presentation, we will have a laser-guided sky tour and telescope observing.
SGNC Scheduled
October Public Observing - The Andromeda Galaxy Saturday, October 14, 2017 7:00 PM The Andromeda Galaxy

The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light years from Earth. It is the nearest major galaxy to the Milky Way.

In addition to our presentation, we will have a laser-guided sky tour and telescope observing.
SGNC Scheduled